22202116 has 6 divisors (see below), whose sum is σ = 38853710. Its totient is φ = 11101056.

The previous prime is 22202111. The next prime is 22202137. The reversal of 22202116 is 61120222.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 1988100 = 4496^2 + 1410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202116.

It is not an unprimeable number, because it can be changed into a prime (22202111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775261 + ... + 2775268.

Almost surely, 2^22202116 is an apocalyptic number.

It is an amenable number.

22202116 is a deficient number, since it is larger than the sum of its proper divisors (16651594).

22202116 is a wasteful number, since it uses less digits than its factorization.

22202116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550533 (or 5550531 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22202116 is about 4711.9121383999. The cubic root of 22202116 is about 281.0594049589.

Adding to 22202116 its reverse (61120222), we get a palindrome (83322338).

The spelling of 22202116 in words is "twenty-two million, two hundred two thousand, one hundred sixteen".